Features Wide application: the spring pull is used for automotive moulds, part welding, assembly lines and various fixed positions where the workload is concentrated, the operating tools are heavy and the use of tools takes a long time. Reduce production costs - The balancer saves factory space and reduces production costs. Good work aid - With safety device, if the hanging object is overweight and the worm spring breaks, it can be locked immediately to prevent the hanging object from falling off. Reliable in use - The spring pull can prevent damage to the tool. The spring pull has no electrical or pneumatic hazards and is reliable in use. Improve efficiency - Reduce employee fatigue and increase work efficiency. Package List 1 X Spring Balancer